diff --git a/Dockerfile b/Dockerfile
index 9a2f406d..3da9b918 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM fpco/pid1:16.04
+FROM fpco/pid1:18.04
 
 ENV HOME /home/stackage
 ENV LANG en_US.UTF-8
diff --git a/debian-bootstrap.sh b/debian-bootstrap.sh
index 01e76deb..3f39c274 100755
--- a/debian-bootstrap.sh
+++ b/debian-bootstrap.sh
@@ -62,16 +62,16 @@ apt-get install -y \
     libfftw3-dev \
     libflac-dev \
     libfreenect-dev \
-    libgd2-xpm-dev \
+    libgd-dev \
     libgeoip-dev \
     libgirepository1.0-dev \
     libglfw3-dev \
     libglib2.0-dev \
     libglu1-mesa-dev \
     libgmp3-dev \
-    libgnutls-dev \
+    libgnutls28-dev \
     libgsasl7-dev \
-    libgsl0-dev \
+    libgsl-dev \
     libgtk-3-dev \
     libgtk2.0-dev \
     libgtksourceview-3.0-dev \
@@ -94,7 +94,7 @@ apt-get install -y \
     libmp3lame-dev \
     libmpfr-dev \
     libmysqlclient-dev \
-    libncurses-dev \
+    libncurses5-dev \
     libnfc-dev \
     liboath-dev \
     libnotify-dev \
@@ -131,15 +131,13 @@ apt-get install -y \
     libzip-dev \
     libzstd-dev \
     libzmq3-dev \
-    llvm-3.9 \
+    llvm-6.0 \
     locales \
     m4 \
     minisat \
     mono-mcs \
     nettle-dev \
     ninja-build \
-    nodejs \
-    npm \
     openjdk-8-jdk \
     python-mpltoolkits.basemap \
     python3-matplotlib \
@@ -169,15 +167,9 @@ curl -sSL https://get.haskellstack.org/ | sh
 # Put documentation where we expect it
 mv /opt/ghc/$GHCVER/share/doc/ghc-$GHCVER/ /opt/ghc/$GHCVER/share/doc/ghc
 
-# llvm-5.0 for GHC (separate since it needs wget)
-wget -O - http://apt.llvm.org/llvm-snapshot.gpg.key | apt-key add - \
-    && add-apt-repository "deb http://apt.llvm.org/xenial/ llvm-toolchain-xenial-5.0 main" \
-    && apt-get update \
-    && apt-get install -y llvm-5.0
-
 # llvm-7.0 for llvm-hs (separate since it needs wget)
 wget -O - http://apt.llvm.org/llvm-snapshot.gpg.key | apt-key add - \
-    && add-apt-repository "deb http://apt.llvm.org/xenial/ llvm-toolchain-xenial-7 main" \
+    && add-apt-repository "deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic-7 main" \
     && apt-get update \
     && apt-get install -y llvm-7
 
@@ -191,14 +183,13 @@ update-alternatives --install "/usr/bin/ld" "ld" "/usr/bin/ld.bfd" 10
 # This version is tracked here:
 # https://ghc.haskell.org/trac/ghc/wiki/Commentary/Compiler/Backends/LLVM/Installing
 #
-# GHC 8.4 requires LLVM 5.0 tools (specifically, llc-5.0 and opt-5.0).
-update-alternatives --install "/usr/bin/llc" "llc" "/usr/bin/llc-5.0" 50
-update-alternatives --install "/usr/bin/opt" "opt" "/usr/bin/opt-5.0" 50
+# GHC 8.6 requires LLVM 6.0 tools (specifically, llc-6.0 and opt-6.0).
+update-alternatives --install "/usr/bin/llc" "llc" "/usr/bin/llc-6.0" 50
+update-alternatives --install "/usr/bin/opt" "opt" "/usr/bin/opt-6.0" 50
 
-# Made sure a "node" binary is in the path, as well as "nodejs".
-# A historical naming collision on Debian means that the binary is called "nodejs",
-# but some tools like tsc still expect "node" to exist.
-ln -s /usr/bin/nodejs /usr/bin/node
+# nodejs 10 (nodejs8 in bionic needs conflicting libssl10-dev)
+curl -sL https://deb.nodesource.com/setup_10.x | bash -
+apt-get install -y nodejs
 
 # install ocilib dependencies then build and install ocilib
 cd /tmp \
@@ -229,9 +220,9 @@ echo "/usr/lib/jvm/java-8-openjdk-amd64/jre/lib/amd64/server/" > /etc/ld.so.conf
 
 # Install erlang/otp platform and its dependencies
 ERLANG_VERSION="20.2.2"
-ERLANG_DEB_FILE="esl-erlang_${ERLANG_VERSION}-1~debian~jessie_amd64.deb"
+ERLANG_DEB_FILE="esl-erlang_21.2-1~ubuntu~bionic_amd64.deb"
 pushd /tmp \
-    && wget https://packages.erlang-solutions.com/erlang/esl-erlang/FLAVOUR_1_general/${ERLANG_DEB_FILE} \
+    && wget http://packages.erlang-solutions.com/site/esl/esl-erlang/FLAVOUR_1_general/${ERLANG_DEB_FILE}
     && (dpkg -i ${ERLANG_DEB_FILE}; apt-get install -yf) \
     && rm ${ERLANG_DEB_FILE} \
     && popd
@@ -274,12 +265,12 @@ CUDA_VER=10.0
 CUDA_APT=10-0
 
 pushd /tmp \
-    && wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1604/x86_64/cuda-repo-ubuntu1604_${CUDA_PKG}_amd64.deb \
-    && apt-key adv --fetch-keys http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1604/x86_64/7fa2af80.pub \
-    && dpkg -i cuda-repo-ubuntu1604_${CUDA_PKG}_amd64.deb \
+    && wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/cuda-repo-ubuntu1804_${CUDA_PKG}_amd64.deb \
+    && apt-key adv --fetch-keys http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/7fa2af80.pub \
+    && dpkg -i cuda-repo-ubuntu1804_${CUDA_PKG}_amd64.deb \
     && apt-get update -qq \
     && apt-get install -y cuda-drivers cuda-core-${CUDA_APT} cuda-cudart-dev-${CUDA_APT} cuda-cufft-dev-${CUDA_APT} cuda-cublas-dev-${CUDA_APT} cuda-cusparse-dev-${CUDA_APT} cuda-cusolver-dev-${CUDA_APT} \
-    && rm cuda-repo-ubuntu1604_${CUDA_PKG}_amd64.deb \
+    && rm cuda-repo-ubuntu1804_${CUDA_PKG}_amd64.deb \
     && export CUDA_PATH=/usr/local/cuda-${CUDA_VER} \
     && export LD_LIBRARY_PATH=${CUDA_PATH}/nvvm/lib64:${LD_LIBRARY_PATH+x} \
     && export LD_LIBRARY_PATH=${CUDA_PATH}/lib64:${LD_LIBRARY_PATH} \
@@ -291,15 +282,8 @@ apt-add-repository multiverse \
     && apt-get update \
     && apt-get install -y nvidia-cuda-dev
 
-# newer gcc version for yoga
-add-apt-repository ppa:ubuntu-toolchain-r/test \
-    && apt-get update \
-    && apt-get install gcc-7 \
-    && update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-7 60 --slave /usr/bin/g++ g++ /usr/bin/g++-7
-
-export CLANG_PURE_LLVM_LIB_DIR=/usr/lib/llvm-3.9/lib;
-export CLANG_PURE_LLVM_INCLUDE_DIR=/usr/lib/llvm-3.9/include;
-
+export CLANG_PURE_LLVM_LIB_DIR=/usr/lib/llvm-6.0/lib;
+export CLANG_PURE_LLVM_INCLUDE_DIR=/usr/lib/llvm-6.0/include;
 
 # finally run:
 ldconfig